package cn.edu.zafu.bigdata.zqt.shape;

class Rectangle extends shape{
    double length;
    double width;
    public Rectangle(double length,double width){
        this.length=length;
        this.width=width;
    }

    @Override
    public double area() {
        return length*width;
    }

    @Override
    public double perimeter() {
        return 2*(length+width);
    }
}
